are there any other references than then the dunwich building? if there is they must be more subtle because i havent noticed anything

I don't know, but I'd love to see some Elder Gods (or whatever he called them, been a while since I read anything lovecraft) inspired enemies in FO4.

Mirelurks and Lakelurks resemle some of the vaguely described Lovecraft monsters from Shadow Over Insmuth.

It's been a while, but I remeber a bit of other vague refferences in Point Lookout. Like the in-bred bastards all over the place made me think on a few Lovecraft stories.

http://classic-horror.com/files/images/cftbl-still.preview.jpg V http://images.wikia.com/fallout/images/d/dd/Lakelurk_king.png

I see where they got the idea for lakelurks/mirelurk kings from